Mrs. Marks has 3/4 pounds of cheese on use making sandwiches. She uses about
1/32 pound of cheese on each sandwich. How many sandwiches can she make with the cheese she has?

Answer:

Its C = 63

Step-by-step explanation

I GUESSED AND GOT IT RIGHT

Answer:

100 metere is 1 km

Thanks for the question

Answer:

your answer is -5-4-3-2-11

Step-by-step explanation:

this is because -5-4-3-2-11=-26, and that is the lowest term there

Answer:

Wind causes blade to move

Step-by-step explanation:

As blade moves, turbine work, and thus v get electricity from wind

Have a GOOD DAY.....

Answer:

negative direction

Step-by-step explanation:

A negative and a positive make a negative:

1/5 + (-4/5) = 1/5 - 4/5

Hope this helps!

Answer:

The first graph

Step-by-step explanation:

The first graph shows a proportional relationship

y/x = 2/2 = 1

a) To find the probability of a wing length greater than 65 micrometers, we need to calculate the z-score for 65 using the formula z = (x - μ) / σ, where x is the value, μ is the mean, and σ is the standard deviation. Substituting the given values, we get z = (65 - 75) / 15 = -0.6667. Using the cumulative probability table for the standard normal distribution, we find P(Z > -0.6667) = 1 - P(Z < -0.6667) = 1 - 0.2525 ≈ 0.7475.

b) To find the probability of a wing length less than 74 micrometers, we calculate the z-score for 74 using the same formula. The z-score is (74 - 75) / 15 = -0.0667. Using the cumulative probability table, we find P(Z < -0.0667) ≈ 0.4726.

c) To find the probability of a wing length between 79 and 83 micrometers, we calculate the z-scores for both values. The z-score for 79 is (79 - 75) / 15 = 0.2667, and the z-score for 83 is (83 - 75) / 15 = 0.5333. Using the cumulative probability table, we find P(0.2667 < Z < 0.5333) ≈ P(Z < 0.5333) - P(Z < 0.2667) ≈ 0.7031 - 0.6032 ≈ 0.0999.

d) To find the probability of a wing length less than 70 or greater than 80 micrometers, we calculate the individual probabilities and sum them. The z-score for 70 is (70 - 75) / 15 = -0.3333, and the z-score for 80 is (80 - 75) / 15 = 0.3333. Using the cumulative probability table, we find P(Z < -0.3333) + P(Z > 0.3333) = 2 * (1 - P(Z < 0.3333)) ≈ 2 * (1 - 0.6293) ≈ 0.7414.

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The population is the collection of parents of 13- to 17-year-olds. The sample is the 1720 parents surveyed.

The population in this survey is option D: the collection of responses of parents of 13- to 17-year-olds. The sample in this case is option C: the 1720 parents of 13- to 17-year-olds who were surveyed.

In this scenario, the population refers to the entire group of interest, which is parents of 13- to 17-year-olds. The survey aims to gather information about this entire group, so the population is defined as the collection of responses from all parents of 13- to 17-year-olds.

On the other hand, the sample is a subset of the population that is selected and surveyed. In this case, the sample consists of the 1720 parents of 13- to 17-year-olds who participated in the survey. The sample is used to gather data and draw conclusions about the larger population.

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Therefore, in a 2x2 table, the pattern of cell frequencies that would indicate independence is d. All cell frequencies are exactly the same.

In a 2x2 contingency table, the expected cell frequencies under the null hypothesis of independence are equal for all cells. If the observed cell frequencies in the table are approximately equal to the expected cell frequencies, then we can conclude that there is no significant association between the two variables being studied. In other words, the pattern of observed cell frequencies is consistent with the null hypothesis of independence. Therefore, if all cell frequencies are exactly the same, it suggests that the variables are independent, as each cell has an equal chance of being filled by any observation regardless of the value of the other variable.

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Answer:

The probability Mike Fishman completed the assignments is 0.8780.

Step-by-step explanation:

Note: The question is not complete but the complete one is given as follows:

Dr. Barton has been teaching basic statistics for many years. He knows that 80 percent of the students will complete the assigned problems. He has also determined that among those who do complete the assignment, 90 percent will pass the course. Among these students who do not complete their assignments, 50 percent will pass. Mike Fishman took statistics last semester from Dr. Barton and received a passing grade. What is the probability he completed the assignments?

The following are now the explanation to the answer:

Let A denote the event that the assignment will be completed by the students, B denote the event that the assignment will not be completed by the students, and C denote the event that the test will be passed; the probability that Mike Fishman completed the assignments can be estimated using the following formula:

P(A|C) = P(A)P(C|A) / [P(A)P(C|A) + P(B)P(C|B)] .................. (1)

Where,

P(A|C) = The probability that Mike Fishman completed the assignments = ?

P(A) = Percentage of the students who will complete the assigned problems = 80%, or 0.80

P(B) =  Percentage of the students who will not complete the assigned problems = 100% - 80% = 20%, or 0.20

P(C|A) = Percentage of students who do complete the assignment and pass the course = 90%, or 0.90

P(C|B) = Percentage of students who do not complete the assignment but pass the course = 50%, or 0.50

Substituting all the values into equation (1), we have:

P(A|C) = 0.80 * 0.90 / [(0.80 * 0.90) + (0.20 * 0.50)]

P(A|C) = 0.72 / (0.72 + 0.10)

P(A|C) = 0.72 / 0.82

P(A|C) = 0.8780

Therefore, the probability he completed the assignments is 0.8780.

Answer:

C, both plans will work for achieving the goal.

Step-by-step explanation:

For plan A, you must multiply 7.20 by 9, then multiply the product by 8. The answer is 526.4 This means that plan A will work, and more than the original goal will be saved up.

For plan B, you must multiply 6.50 by 15, then multiply the product by 6. The answer is 585. This is more than the original goal, so plan B would work as well.

This means that C is correct, because both plans will work for achieving the goal.

Answer:

C

Step-by-step explanation:

Edged 2022

Answer:

(p -3q )(p -3q  )

Step-by-step explanation:

p'2 - 6pq + 9q'2

(p -3q )(p -3q  )

find two values that add to give 6 and multiply to 9

p x p =p'2

-3q x p = -3pq   -3 x pq = -3pq    ...... -3pq - 3pq = -6pq

-3q x - 3q = 9q'2

Answer:

awesome thats so cool to know

Answer:

7-12 months.

Step-by-step explanation:

Typically from7-12 months. Hair normally grows at ½in. per month. But hair could also grow as fast as 1in. per month. Certain hair growth genes come from your parents. So depending on how fast your parents hair grow can have an effect on your hair growth/loss.

Answer:

1.)  20 yrs --> $1,045.63

    30 yrs --> $1,204.08

2. See the attachment

3. See the attachment

Step-by-step explanation:

Please find the attachment for detail

Answer:

RS = XY (since the two a triangles are similar, you have to match the sides up and then set the values equal to eachother to find the value of x)

3x +2 = 5x -3 (subtract 5x from both sides)

-2x +2 = -3 (subtract 2 from both sides)

-2x = -5 (divide both sides by -2 to isolate x)

x = 2.5 (take the value of x and plug it into the expression given for RS)

3(2.5) +2 (multiply)

7.5 +2 (add)

9.5 (this is the length of RS)

Step-by-step explanation:

I hope this helps :)

Answer:

6√2=z

Step-by-step explanation:

As we are given a right angle we simply can apply the formula a²+b²=c².
A = 3
B = z

C =  8+1 which we add to get 9
Now, we plug this into the equation

9²=z²+3²

81=z²+9

72=z²

√72=z

√2x2x2x3x3 (expanding 72)

6√2=z

Answer: 30 fish

Step-by-step explanation:

A tank measuring 5 feet by 3 feet by 3 feet has a volume of 5*3*3 =45 cubic feet.

If there are 45 cubic feet of water in this tank, and each fish requires 1.5 cubic feet of water, the number of fish that can fit in the tank is 45/1.5 = 30.

Answer:

Inequality:

29.2x + 501.60 ≤ 560

Answer:

She may buy up to 2 reflectors.

Step-by-step explanation:

She can spend up to $560, so the total expense has to be less than or equal to $560.

total expense ≤ 560

All items she buys have a price and a number of items except for the outfits which have a price but an unknown number.

Let x = number of outfits.

total expense = $425.05 + 4 × $15.19 + $15.79 + x × $29.20

total expense = 29.2x + 501.60

Inequality:

29.2x + 501.60 ≤ 560

29.2x ≤ 58.4

x ≤ 2

She may buy up to 2 reflectors.

The statement is incorrect due to the invalid assumption of f(x) = g(x) = 0, and the incorrect application of the comparison test.

The comparison test states that if 0 ≤ f(x) ≤ g(x) and the integral of g(x) dx diverges, then the integral of f(x) dx also diverges. However, the statement assumes that f(x) and g(x) are equal to zero, which means that 0 ≤ f(x) ≤ g(x) is not satisfied.

Additionally, the assumption that g(x) dx diverges does not necessarily imply that f(x) dx also diverges. For example, let g(x) = 1/x^2 and f(x) = 0 for all x. Then g(x) dx diverges, but f(x) dx converges to zero.

In conclusion, the statement is incorrect due to the invalid assumption of f(x) = g(x) = 0, and the incorrect application of the comparison test.

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at 0.1 level of significance, we can conclude that these data are sufficient to indicate that the mean for population 2 is larger than that for population 1.

For the null hypothesis

H0: μd ≥ 0

For the alternative hypothesis

H1: μd < 0

The distribution is a students t. Therefore, degree of freedom, df = n - 1 = 10 - 1 = 9

The formula for determining the test statistic is

t = (xd - μd)/(sd/√n)

t = (- 3.7 - 0)/(2.71/√10)

t = - 4.32

We would determine the probability value by using the t test calculator.

p = 0.00097

Since alpha, 0.1 > than the p value, 0.00097, then we would reject the null hypothesis. Therefore, at 0.1 level of significance, we can conclude that these data are sufficient to indicate that the mean for population 2 is larger than that for population 1.

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Answer:

300cl

Step-by-step explanation:

5 : 3

? : 180

Divide 180 by 3 to find out how much more orange squash has been used.

180 / 3 = 60

Multiply 5 by 60.

5 x 60 = 300 (5 x 6 x 10)

300 : 180

Answer:

a geometric theorem stating that the square of the hypotenuse of a right triangle equals the sum of the squares of the other two sides

Step-by-step explanation:

Hope It Helped :)

The sum of the lengths of the two parallel sides, a + b, is equal to 30 centimeters.

Let's denote the lengths of the two parallel sides of the trapezoid as a and b. The formula for the area of a trapezoid is given by:

Area = (1/2) * (a + b) * h

where h represents the height of the trapezoid.

We are given that the area is 120 square centimeters and the height is 8 centimeters. Substituting these values into the formula, we have:

120= 1/2*(a+b)*8  

Multiplying both sides of the equation by 2 and dividing by 8, we get:

240 = a + b

a+b = 120*2/8

= 30 cm

Therefore, the sum of the lengths of the two parallel sides, a + b, is equal to 30 centimeters.

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Answer:

angles 1 & 3: 63 angle 4: 117

Step-by-step explanation:

fo this all you'd do, is look at the diagram in front of you (assuming you have one), and you'll soon figure out that two of the components are the same size.

2 is parrallel to 4, which means 4 is 117.

now, the whole circle is equal to 360 degrees.

this mean that your equation should look like:

x + x + 117(2) = 360

2x + 117(2)  = 360

2x + 234 = 360

     -234      -234

2x =  126

x = 63

now since we've already figured out 2 & 4, since we found the number 63 with the variable "2x", that means there are 2 angles. therefore angles 1 & 3 would be equal to 63.

lets check!

63 (2) + 117(2) = 360 or not?

126 + 234 = 360

so theres your answer. : D

-7th grade math-

The measure of angle 1 and angle 2 is 63 degrees and the measure of angle 4 is 117 degrees.

It is defined as the angles when two lines intersect each other and at the intersecting point, some pair of angles are formed which we call vertically opposite angles, as the name describes that they have vertically opposite angles.

The missing figure is attached in the picture.

From the figure

Angle 2 = 117 degrees

As we know,

From the definition of the vertically opposite angles:

Agle 1 = Angle 3

Angle 2 = Angle 4

Angle 2 = Angle 4 = 117

Let

Angle 1 = Angle 3 = x

x + x + 117(2) = 360

2x + 234  = 360

2x + 234 = 360

2x = 360 - 234

2x = 126

x = 126/2

x = 63 degrees

Angle 1 = Angle 3 = 63

Thus, the measure of angle 1 and angle 2 is 63 degrees and the measure of angle 4 is 117 degrees.

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The time categories are divided into "<1 hour," "1-2 hours," "2-3 hours," and ">3 hours."  

What does the frequency distribution in the table reveal about the homework habits of the two samples of high school students?

The frequency distribution in the table provides insights into the distribution of homework habits among the two samples of high school students. By examining the frequency counts in each time category, we can determine the proportion of students spending different amounts of time on homework each night. This information helps identify patterns and differences in homework habits between the two samples, allowing for a comparison of their study behaviors.

Here is an example of a 4-column table with 2 rows representing the results of a random survey asking two samples of 100 high school students about the amount of time they spend on homework each night:

Sample 1:

  Sample 1                                                     Number of Students

    Time                                                                   Frequency

   <1 hour                                                                     20

  1-2 hours                                                                    40

 2-3 hours                                                                     30

    >3 hours                                                                   10

Sample 2:

 Sample 2                                                        Number of Students

Time                                                                      Frequency

<1 hour                                                                        30

1-2 hours                                                                    35

2-3 hours                                                                   20

>3 hours                                                                      15

In this table, each sample represents a different group of 100 high school students, and the frequency of students spending a particular amount of time on homework each night is recorded. The time categories are divided into "<1 hour," "1-2 hours," "2-3 hours," and ">3 hours." The table provides an overview of the distribution of homework time among the two samples of high school students.

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Answer:

$552.50

Step-by-step explanation:

650×.15=97.5

650-97.5=552.5

Answer: A

Explanation:

Just use substitution because it's more efficient. Plug -2x-8 into y to make -2x-8=3x+2. Add 8 to both sides to get -2x=3x+10. Subtract 3x to both sides to get -5x=10. Divide -5 to both sides to get x=-2. Now, plug in x=-2 to one of the equations, let's use y=3x+2. The equation would be y=3(-2)+2. Multiply 3 and -2 to get -6. Add -6 to 2 and you'll result with y=-4.